Here are 10 One-Word Answer Type Questions from the topic Transfer of Heat (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: Transfer of Heat
1. Question: What is the process of heat transfer in solids called?
• Answer: Conduction
• Explanation: In solids, heat is transferred from the hotter part to the colder part by conduction.
2. Question: What is the process of heat transfer in liquids and gases called?
• Answer: Convection
• Explanation: Convection is the process by which heat is transferred in liquids and gases.
3. Question: What is the process of heat transfer without any medium called?
• Answer: Radiation
• Explanation: Radiation is the process where heat travels in the form of waves without the need of a medium.
4. Question: Which material is a good conductor of heat?
• Answer: Copper
• Explanation: Copper is a good conductor of heat and allows heat to pass through it easily.
5. Question: Which material is a poor conductor of heat?
• Answer: Wood
• Explanation: Wood is a poor conductor and does not allow heat to pass through easily.
6. Question: What are materials that do not allow heat to pass through them called?
• Answer: Insulators
• Explanation: Materials like wood and plastic, which do not conduct heat, are called insulators.
7. Question: What is the movement of warm air upwards called?
• Answer: Convection
• Explanation: Convection currents occur when warm air rises and cool air moves down.
8. Question: What do we call the heat transfer from the Sun to the Earth?
• Answer: Radiation
• Explanation: Heat from the Sun reaches Earth by radiation.
9. Question: What is used to prevent heat loss from hot objects?
• Answer: Insulator
• Explanation: Insulators are used to cover or surround hot objects to prevent heat loss.
10. Question: What is the primary method of heat transfer in a metal rod?
• Answer: Conduction
• Explanation: In metals like rods, heat is transferred mainly by conduction.
If you want, I can now prepare the next set from the topic Kinds of Clothes We Wear in Summer and Winter in the same format.
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